Background
Leiner was born in village Čukovec, near Ludbreg, on April 3, 1919 to a Croatian Jewish family.
supporters of the League of Communists
Leiner was born in village Čukovec, near Ludbreg, on April 3, 1919 to a Croatian Jewish family.
Leiner went to elementary school in Ludbreg, and high school in Zagreb. In Zagreb, Leiner enrolled the Faculty of Geodesy, University of Zagreb. As a young man, Leitner went to Ludbreg library where he met the supporters of the League of Communists of Croatia.
In 1941, he was mobilized in the Croatian Home Guard, but soon after he escaped and joined the Partisans.
During his stay with Partisans, Leiner mostly fought in the Varaždin County. On May 3, 1942, Leiner and three of his comrades were ambushed and killed by Ustašest
He was buried three days later, in the part of the Ludbreg cemetery intended for the outlaws. On that spot, after the war, the monument was built in memory of Leiner and his comrades.
In center of Hrastovsko Leiner bust stands to honor him.